Mughus Share definition Flag Basically when you do number 3 but even worse. It's like cement coming out of the pipe but in your ass on the toilet.Word is mostly used by arabs. Habib I ate too much food today, I have Mughus. Mughus by JustNessa June 19, 2020 0 0 Get merch Get the Mughus mug. Buy Now — $32.95 See more merch